NXC can ping and resolve the global website such as Google (IPv4)
successfully via console:
Figure 151 Tera Term > NXC > Router > ping <Public DNS IP>
6 If the user login to the captive portal before?
If the user has logged into the captive portal before and didn’t log out, the
station will still remain in the user list until the authentication times out.
Figure 152 MONITOR > System Status > Login Users
Assume the user “joy” was logged into the Captive Portal and did not
logout, the device will not see Captive Portal again and access internet
directly.
7 Information collection and report the issue to the HQ.
Check the IP table which has station’s IP who doesn’t do the captive portal
via CLI.
Figure 153 Tera Term > Router > debug system iptables list table nat > Chain
FORCE AUTH